SP 225 Lecture 6 Graphing. Pie Chart A graph depicting qualitative data as slices of a pie.
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SP 225 Lecture 6 Graphing
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Transcript of SP 225 Lecture 6 Graphing. Pie Chart A graph depicting qualitative data as slices of a pie.
Example
Climate of the World’s Countries
Frequency Percentage
Desert 7 6.9%
Arid Desert 5 4.9%
Arid 6 5.8%
Tropical 32 31.4%
Mediterranean 10 9.8%
Maritime 4 3.9%
Temperate 34 33.3%
Arctic 4 3.9%
Total 102 100%
Bar Chart
A bar graph for qualitative data, with the bars arranged in order according to frequencies or natural order
Frequency Polygon
Uses line segments connected to points directly above class midpoint values or class label